Statistical analyses
Data were analyzed using the PROC MIXED procedure
of SAS (SAS Inst. Inc., Cary, NC, USA) in a randomized
complete block design. The experimental unit was the pen
and block was the sex. The statistical model for growth
performance, nutrient digestibility, and blood profiles
included effects of dietary treatment as a fixed effect and
sex as a random effect. The x
frequency of diarrhea. Results are given as means±standard
error of the mean. Statistical significance and tendency
were considered at p